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Geography, 22.06.2019 14:40
Geologists know that potassium-40 decays to argon-40, with a half-life of 1.3 billion years. if an analysis of a feldspar crystal in a sample of granite shows that 75 percent of the potassium-40 atoms have decayed to form argon-40, what is the age of the granite
Answers: 2
Geography, 23.06.2019 07:30
What type of coastline is commonly found along the western side of the america’s
Answers: 1
Geography, 23.06.2019 16:00
Which statements describe cultural influences? florida is bordered by water on three sides. french is spoken in parts of louisiana. forests are cleared to provide space for cattle grazing. male children are encouraged to attend the university. the longest river on the continent is located here. birthdays are celebrated on january 1st. per capita income of northern buckland is more than $100,000.
Answers: 1
Geography, 23.06.2019 18:00
Under which condition below would u expect a coarse-grained intrusive rock like diorite to form?
Answers: 1
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